Changes
Androids:
* [https://www.linphone.org/ LinPhone]
* [https://www.silentcircle.com/products-and-solutions/software/ SilentPhone] commercial solution from SilentCircle
* [https://ostel.co Ostel] using the CSIP simple client - ''no updates since November 2014''
* [https://ssd.eff.org/en/module/how-use-redphone-android RedPhone] - ''no updates since September 2014''
iPhone:
* [https://ssd.eff.org/en/module/how-use-signal-%E2%80%93-private-messenger Signal]
* [https://www.silentcircle.com/products-and-solutions/software/ SilentPhone] commercial solution from SilentCircle
}}
